JP2550236Y2 - Applicator - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an applicator filled with a highly viscous application liquid such as a correction liquid or a cosmetic liquid.

[0002]

2. Description of the Related Art An applicator having a spherical applicator has a tip attached to a tip of a coating liquid tank filled with a coating liquid through a tip, and like a ballpoint pen, a tip is partially attached to the tip. The spherical application body is held rotatably in a state where it comes out from the tip. Then, the spherical application body is repelled by a spring, and when not in use, the spherical application body is brought into close contact with the inward tip edge of the chip, and a valve structure is formed by the spherical application body and the tip edge of the chip so that the application liquid is not discharged. Like that.

[0003] In use, when the spherical coated body is pressed against the coated surface, the spherical coated body retreats against the resilience of the spring, and a gap is formed between the spherical coated body and the tip edge of the chip. The coating liquid adhering to the inside of the chip of the coating body is applied to the outside of the chip through this gap with the rotation of the spherical coating body and is applied, but since the viscosity of the coating liquid is high, the coating liquid is in a natural state. Is not sufficiently supplied to the surface of the spherical coated body. For this reason, the coating liquid tank can be deformed by blow molding with a flexible material, and when used, the coating liquid tank is pressed with a fingertip to pressurize the inside, and the pressure is used to apply the coating liquid to the surface of the spherical coated body. To supply.

As described above, it is necessary to press the coating liquid tank with a fingertip to pressurize the inside during use, so that the operation is complicated, and the manufacturing cost is increased because the coating liquid tank is blow-molded with a flexible material. There is a problem that increases.

[0005]

For this reason, when the cap is mounted, the cap can be further pushed in with the inner cylinder of the cap sealing the tip of the chip, thereby reducing the volume of the sealed space in the inner cylinder. Then, the pressure in the inner cylinder increases. Therefore, the spherical coating body retreats, the air in the inner cylinder enters the coating liquid tank, and the inside of the coating liquid tank is pressurized, so that it is not necessary to press the coating liquid tank with a fingertip during use.

However, in such a cap pressurizing method, the inside of the coating solution tank is pressurized every time the cap is mounted, so that the inside of the coating solution tank becomes too high and the coating solution is excessively discharged at the time of coating. is there.

Accordingly, an object of the present invention is to provide an applicator in which the degree of pressurization in the application liquid tank can be selected and the application liquid is not excessively discharged during application.

[0008]

In order to achieve the above object, according to the present invention, a spherical coating body is rotatably held while a part of the spherical coating body protrudes from the tip of a chip. , The spherical coating body is repelled by a spring and contacts the inward tip edge of the chip, the tip holding the chip is connected to the coating liquid tank, and the coating liquid tank is filled with a highly viscous film-forming coating liquid In the applicator for sealing the chip, the outer peripheral surface of the front end is in close contact with the inner peripheral surface of the inner cylinder of the cap,
In the cap, a short first inner cylinder and a long second inner cylinder are arranged so that their respective openings are in opposite directions, and when the tip is inserted into the short first inner cylinder to seal the chip, the first inner cylinder is formed. When the inside of the coating solution tank is hardly pressurized due to a small pressure rise inside, and the tip is inserted into the long second inner cylinder to seal the chip, the pressure rise in the second inner cylinder is large and the coating solution tank is The inside is pressurized.

According to a second aspect of the present invention, the spherical coated body is rotatably held with a part of the spherical coated body protruding from the tip of the chip, and the spherical coated body is repelled by a spring to repel the chip. The tip end holding the chip is connected to the coating liquid tank, and the coating liquid tank is filled with a highly viscous film-forming coating liquid and a plurality of dense liquids of different lengths are contacted. A pressure tool having an envelope is added, and when the tip is inserted into the sealed cylinder to seal the chip, the pressure of the sealed cylinder increases according to its length so that the inside of the application liquid tank is pressurized.

[0010]

According to the first aspect of the present invention, when the tip is inserted into the short first inner cylinder and the chip is sealed, the inside of the application liquid tank is hardly pressurized, and the tip is inserted into the long second inner cylinder. When the chip is sealed with, the inside of the coating liquid tank is pressurized, so if the inner cylinder to be inserted is selected according to the discharge state of the coating liquid, the inside of the coating liquid tank will be maintained at an appropriate pressure and the coating liquid will be Is not discharged.

Further, in the invention of claim 2, since a pressurizing tool having a plurality of sealing cylinders having different lengths is added, a sealing cylinder of an appropriate length is selected, and the sealing cylinder is provided first. When the chip is sealed by inserting the mouth, the pressure of the sealed cylinder increases according to its length, and the inside of the coating liquid tank is maintained at an appropriate pressure, so that the coating liquid is not excessively discharged.

【Example】

The present invention will be specifically described below with reference to the embodiments shown in the drawings. In FIG. 4, a tip 3 is fitted in a tip opening of a front end 2 having a small diameter sealing portion 21 at the front end. As will be described later, the sealing portion 21 is in close contact with the inner peripheral surface of the inner cylinder of the cap. It may be. The tip 3 is formed in a shell shape with stainless steel.
A spherical coated body 4 made of a carbide ball having a diameter of 1.0 mmφ is rotatably held with a part thereof protruding from the tip of the chip 3. Note that the chip 3 may be made of a metal pipe.

A small spring 5 having a spring force of 40 g is arranged in the chip 3, and the spring 5 resiliently presses the spherical coating body 4 against the inward leading edge 31 of the chip 3 to form a spherical coating. The body 4 and the leading edge 31 of the tip 3 constitute a valve mechanism. The leading end 2 is integrally connected to the coating liquid tank 1 as shown in FIG. The coating liquid tank 1 is injection-molded with a normal hard synthetic resin, and its manufacturing cost is lower than that obtained by blow-molding a flexible material. Then, from the inside of the coating liquid tank 1 and the front end 2 to the chip 3, for example, a viscosity of 30
It is filled with a coating liquid of ４０40 cps, which is a correction liquid having a high film forming property. This coating liquid has a viscosity of 30 to
A so-called ink of about 40 cps may be used, in which case the applicator can be written like a ballpoint pen.

FIGS. 1 and 2 show an embodiment of the invention of claim 1, wherein the cap 6 is made of synthetic resin.
As shown in FIG. 1, a short first inner cylinder 7 and a long second inner cylinder 8 are integrally formed inside such that their openings are in opposite directions. The leading end 2 can be inserted into either the first inner cylinder 7 or the second inner cylinder 8, but the inner peripheral surface of the leading edge of the first inner cylinder 7 or the second inner cylinder 8 has a sealing portion of the leading end 2. When the chip 3 is brought into close contact with the outer peripheral surface, the inside of the first inner cylinder 7 or the second inner cylinder 8 becomes a sealed space, and the chip 3 is sealed.

When the application is completed, the leading end 2 is inserted into the first inner cylinder 7 as shown in FIG. At this time,
Since the first inner cylinder 7 is short, when the cap 6 is completely pushed, the leading edge of the first inner cylinder 7 slides slightly on the sealing portion 21 of the front end 2. That is, since the decrease in the volume of the sealed space in the first inner cylinder 7 is slight, the pressure of the air in the first inner cylinder 7 is small, and the inside of the application liquid tank 1 is hardly pressurized.
Therefore, the inside of the application liquid tank 1 is not excessively pressurized by the attachment of the cap 6, and the pressure before the attachment of the cap 6 is maintained, so that an excessive application liquid is discharged at the next application. Absent.

Next, during the coating, the coating liquid tank 1
When the internal pressure decreases and the discharge amount of the application liquid decreases, the front end 2 is inserted into the long second inner cylinder 8 as shown in FIG.
In the process, the distal end edge of the second inner cylinder 8 is
And the inside of the second inner cylinder 8 becomes a sealed space. When the cap 6 is further pushed in from this state, the inner peripheral surface of the second inner cylinder 8 slides in a state of being in close contact with the outer peripheral surface of the sealing portion 21, and the volume of the sealed space in the second inner cylinder 8 decreases. So
The air in the second inner cylinder 8 is pressurized. Therefore, the spherical coating body 4 is retracted by this pressure, and the spherical coating body 4 and the chip 3
A gap is formed between the tip end 31 and the inside of the coating liquid tank 1, and the air in the second inner cylinder 8 enters the coating liquid tank 1, and the inside of the coating liquid tank 1 is pressurized. Accordingly, when the cap 6 is removed and applied, the application liquid is sufficiently supplied to the spherical application body 4, and it is not necessary to press the application liquid tank 1 with a fingertip, and the application can be reliably applied in the manner of writing with a ballpoint pen.

In the second inner cylinder 8, for example, a thin annular rubber packing having a center hole is brought into contact with the spherical coating body 4 in the process of inserting the leading end 2 and forcibly forms the spherical coating body 4. Is retracted, and when the cap 6 is completely pushed down, the contact with the spherical coating body 4 is released and a valve opening member is arranged so that the spherical coating body 4 comes into contact with the tip edge 31 of the chip 3. The inside of the coating liquid tank 1 can be efficiently pressurized without making the length of the cylinder 8 too long.

Next, FIG. 3 shows an embodiment of the present invention. In this embodiment, a normal cap (not shown) that does not particularly pressurize the inside of the application liquid tank when attached to the applicator is used, but a pressurizer 9 is added in addition to the cap. The pressing tool 9 has a plurality of different lengths, for example, 3
It has 91, 92, and 93 sealed cylinders. And the sealed cylinder 91,
Tip 2 can be inserted into both 92 and 93,
When the inner peripheral surface of the leading edge of 1, 92, 93 comes into close contact with the outer peripheral surface of the sealing portion 21 of the front end 2, the inside of the sealing cylinder 91, 92, 93 becomes a sealed space, and the chip 3 is sealed.

Thus, one of the sealed cylinders 91, 92 and 93 is selected according to the pressurized state in the coating liquid tank 1. That is, when the pressurized state is low and the discharge amount of the application liquid is small, the leading end 2 is inserted into a long sealed cylinder, and the pressurized state is relatively high.
When abrupt pressurization is not required, the tip 2 is inserted into a short sealed cylinder and pushed until the spherical application body 4 hits the bottom surface of the sealed cylinder. Therefore, the pressure of the sealed cylinder increases according to its length, the spherical coating body 4 retreats, and the pressurized air is released from the coating liquid tank 1.
However, since the inside of the coating liquid tank 1 is maintained at an appropriate pressure, the coating liquid is not excessively discharged.

[0020]

As described above, in the applicator according to the first aspect of the present invention, a short first inner cylinder and a long second inner cylinder are arranged in a cap, and a front end is inserted in the short first inner cylinder. When the chip is inserted and sealed, the inside of the coating solution tank is hardly pressurized,
When the tip is inserted into the long second inner cylinder to seal the chip, the inside of the application liquid tank is pressurized. Therefore, if the inner cylinder to be inserted is selected according to the application liquid discharge state, the application liquid The tank is maintained at an appropriate pressure and the coating liquid is not discharged excessively. In addition, there is no need to press the coating liquid tank with a fingertip at the time of use, and it is not necessary to blow-mold the coating liquid tank with a flexible material. can do.

Further, in the application tool according to the second aspect of the present invention, a pressure tool having a plurality of sealed cylinders having different lengths is added.
By selecting a sealed cylinder having an appropriate length, the inside of the coating liquid tank is maintained at an appropriate pressure, and the coating liquid is not discharged excessively.

[Brief description of the drawings]

FIG. 1 is a sectional view of an embodiment of the present invention;

FIG. 2 is an explanatory view of a method of using the cap of the present invention.

FIG. 3 is a sectional view of an embodiment of the present invention;

FIG. 4 is a cross-sectional view of the applicator.

[Explanation of symbols]

 Reference Signs List 1 coating liquid tank 2 leading end 21 sealed part at leading end 3 chip 31 tip end edge 4 spherical coating body 5 spring 6 cap 7 first inner cylinder 8 second inner cylinder 9 pressing tool 91, 92, 93 sealed cylinder

Claims (2)

(57) [Scope of request for utility model registration] 1. A spherical coating body is rotatably held with a part of the spherical coating body protruding from a tip of a chip, and the spherical coating body is repelled by a spring to form an inward tip edge of the chip. The tip which contacts and holds the chip is connected to the coating liquid tank, the coating liquid tank is filled with a high viscosity film forming coating liquid, and the outer peripheral surface of the tip is the inner peripheral surface of the inner cylinder of the cap. A sealing device for sealing a chip in close contact with a first internal cylinder, wherein a short first internal cylinder and a long second internal cylinder are arranged in the cap such that their openings are in opposite directions,
When the tip is inserted into the inner cylinder and the chip is sealed, the pressure rise in the first inner cylinder is small and the inside of the coating solution tank is hardly pressurized, and the tip is inserted into the longer second inner cylinder to seal the chip. The application tool is characterized in that when the pressure is increased, the pressure in the second inner cylinder is large and the inside of the application liquid tank is pressurized. 2. A spherical coating body is rotatably held with a part of the spherical coating body protruding from the tip of the chip, and the spherical coating body is repelled by a spring to form an inward tip edge of the chip. The tip that contacts and holds the chip is connected to a coating liquid tank, and the coating liquid tank is filled with a highly viscous film-forming coating liquid, and has a plurality of sealed cylinders having different lengths. A tool is added, and when the tip is inserted into the sealing cylinder to seal the chip, the pressure of the sealing cylinder increases according to its length, and the inside of the coating liquid tank is pressurized. Applicator.